Umarex 30rds Gas Magazine V2 for Umarex H&K MP5 GBB Series

Umarex 30rds Gas Magazine V2 for Umarex H&K MP5 GBB Series 30 Rounds Loading Capacity Magazine Suitable For Umarex H&K MP5 Series Airsoft Gas Blow Back GBB Rifle Ready to take Top Gas out of the box Suitable for 6mm Plastic Bullet only